RS 4 Quattro Cabriolet V8-4.2L (BNS) (2008)
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Carefully slide drive pinion - 1 - with double angular contact ball bearing by hand into transmission housing - 2 - and press onto upper outer race -
3 - at the same time.
‹› Warm transmission housing beforehand with a hot air gun in bearing seat area, if necessary.
Outer races - 3 - and - 4 - must not tilt when inserting, they must remain together. Otherwise, the seal - 6 - can be damaged by the pinion face - 5 -.
If the double angular contact ball bearing seal is damaged, the bearing must be replaced.
Determine previous shim "S4" as follows:
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Using a digital depth gauge (e.g digital depth gauge (VAS 6087)), measure from outer race/double angular contact ball bearing - 1 - to retaining
plate bolting surface - 2 -.
In the example, gap dimension - a - = 1.14 mm. Determine previous shim "S4" according to table,
‹› For the initial measurement, an adjustment shim "S4" of 0.95 mm is inserted. It is designated as "S4*" in the following. After adjusting dimension
"e", "S 4*" is replaced by the final shim "S4".
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Place previous shim "S4*" (0.95 mm in example) and retaining plate - A - (only fits in one position) on transmission housing bolting surface.